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fputc, putc

From cppreference.com

< c‎ | io

Defined in header `<stdio.h>`


int fputc( int ch, FILE *stream );

int putc( int ch, FILE *stream );

Writes a character ch to the given output stream stream. putc() function may be implemented as a macro.

Internally, the character is converted to unsigned char just before being written.

Contents

1 Parameters
2 Return value
3 Example
4 See also

[edit] Parameters

ch

-

character to be written

[edit] Return value

On success, returns the written character.

On failure, returns EOF and sets the error indicator (see ferror()) on stream.

[edit] Example

Run this code

#include <stdio.h>
 
int main()
{
    for (char c = 'a'; c != 'z'; c++)
        putc(c, stdout);
    putc('\n', stdout);
 
    // putchar return value is not equal to the argument
    int r = 0x1070;
    printf("\n0x%x\n", r);
    r = putchar(r, stdout);
    printf("\n0x%x\n", r);
}

Output:

abcdefghijklmnopqrstuvwxy
0x1070
p
0x70

[edit] See also


putchar	writes a character to `stdout` (function) [edit]

C++ documentation for fputc, putc

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